| 15 ago 2026 | Vojtek, Vladimir 2195 | Haba, Petr 2396 | ½-½ | C15 Defensa Francesa: Winawer Variation | FIDE Open Stare Mesto | 20 | Ver |
| 14 ago 2026 | Haba, Petr 2396 | Shanel, Jaroslav 2045 | 1-0 | C62 Apertura Española (Ruy López): Steinitz Defense | FIDE Open Stare Mesto | 44 | Ver |
| 12 ago 2026 | Cerveny, Martin 2310 | Haba, Petr 2396 | ½-½ | A06 Apertura Zukertort | FIDE Open Stare Mesto | 59 | Ver |
| 10 ago 2026 | Slaby, Matej 2058 | Haba, Petr 2396 | 0-1 | A45 Ataque Trompowsky | FIDE Open Stare Mesto | 28 | Ver |
| 9 ago 2026 | Haba, Petr 2396 | Babula, Matej 2119 | ½-½ | C47 Apertura de los Cuatro Caballos | FIDE Open Stare Mesto | 72 | Ver |
| 7 ago 2026 | Haba, Petr 2396 | Klys, Kacper 2142 | ½-½ | C78 Apertura Española (Ruy López): Morphy Defense | FIDE Open Stare Mesto | 53 | Ver |
| 7 ago 2026 | Haba, Petr 2396 | Plischki, Sebastian 2257 | 1-0 | E11 Defensa Bogoindia: Grünfeld Variation | FIDE Open Stare Mesto | 49 | Ver |
| 7 ago 2026 | Haba, Petr 2396 | Lys, Josef 2008 | ½-½ | B66 Defensa Siciliana: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | FIDE Open Stare Mesto | 17 | Ver |
| 1 ago 2026 | Hrebenshchykova, Yelyzaveta 2284 | Haba, Petr 2389 | 0-1 | B42 Defensa Siciliana: Kan Variation, Polugaevsky Variation | CzechOpen 2026_A | 41 | Ver |
| 24 jul 2026 | Martirosyan, David 2153 | Haba, Petr 2389 | 0-1 | B15 Defensa Caro-Kann: Tartakower Variation | CzechOpen 2026_A | 43 | Ver |
| 7 jul 2026 | Haba, Petr 2389 | Kukushkin, Ivan 2257 | 1-0 | E11 Defensa Bogoindia: Grünfeld Variation | FIDE OPEN QCC | 48 | Ver |
| 6 jul 2026 | Dobosiewicz, Dawid 2282 | Haba, Petr 2389 | ½-½ | D02 Apertura de Peón de Dama: Symmetrical Variation | FIDE OPEN QCC | 26 | Ver |
| 5 jul 2026 | Haba, Petr 2389 | Velicka, Petr 2350 | ½-½ | D14 Defensa Eslava: Exchange Variation, Symmetrical Line | FIDE OPEN QCC | 11 | Ver |
| 2 jul 2026 | Haba, Petr 2389 | Holly, Andrej 2192 | 1-0 | A16 Apertura Inglesa: Anglo-Indian Defense, Anglo-Grünfeld Variation | FIDE OPEN QCC | 54 | Ver |
| 1 jul 2026 | Motyl, Tomasz 2024 | Haba, Petr 2389 | 0-1 | B13 Defensa Caro-Kann: Exchange Variation | FIDE OPEN QCC | 37 | Ver |
| 30 jun 2026 | Haba, Petr 2389 | Korsa, Jindrich 2061 | 1-0 | B01 Defensa Escandinava: Main Line | FIDE OPEN QCC | 35 | Ver |
| 29 jun 2026 | Vykouk, Jan 2504 | Haba, Petr 2389 | ½-½ | C47 Apertura de los Cuatro Caballos: Scotch Variation Accepted, Main Line | FIDE OPEN QCC | 10 | Ver |
| 29 jun 2026 | Sahidi, Samir 2485 | Haba, Petr 2389 | ½-½ | D43 Defensa Semieslava: Moscow Variation | FIDE OPEN QCC | 42 | Ver |
| 29 jun 2026 | Prokofiev, Valentyn 2421 | Haba, Petr 2389 | ½-½ | D11 Defensa Eslava: Breyer Variation | FIDE OPEN QCC | 18 | Ver |
| 29 mar 2026 | Kantans, Toms 2543 | Haba, Petr 2377 | ½-½ | B18 Defensa Caro-Kann: Classical Variation | šachy.cz Extraliga 2025/2026 | 47 | Ver |